39354157 has 2 divisors, whose sum is σ = 39354158. Its totient is φ = 39354156.

The previous prime is 39354113. The next prime is 39354169. The reversal of 39354157 is 75145393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38862756 + 491401 = 6234^2 + 701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39354157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39354197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19677078 + 19677079.

It is an arithmetic number, because the mean of its divisors is an integer number (19677079).

Almost surely, 2^39354157 is an apocalyptic number.

It is an amenable number.

39354157 is a deficient number, since it is larger than the sum of its proper divisors (1).

39354157 is an equidigital number, since it uses as much as digits as its factorization.

39354157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 37.

The square root of 39354157 is about 6273.2891691680. The cubic root of 39354157 is about 340.1445665499.

The spelling of 39354157 in words is "thirty-nine million, three hundred fifty-four thousand, one hundred fifty-seven".